Finding the Third Proportional to 220,329 and 297,276.75

Step by Step Solution

1. Step 1: Write the proportion equation
   220,329 : 297,276.75 = 297,276.75 : x
2. Step 2: Convert to fraction form
   220,329/297,276.75 = 297,276.75/x
3. Step 3: Cross multiply
   220,329x = 297,276.75 × 297,276.75
4. Step 4: Simplify right side
   220,329x = 88,373,466,090.56
5. Step 5: Solve for x
   x = 88,373,466,090.56/220,329
6. Step 6: Final answer
   x = 401,097.75